R3267 Series Spectrum Analyzer Operation Manual (Vol.1)
3.3.24 SWP Key (Sweep Time)
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Gated Sweep
Displays the Gated Sweep menu and changes to the split-screen
mode.
On the upper screen, Trace A with a gated sweep is displayed; on
the lower screen, Trace B is displayed to show the waveform, po-
sition and width of the gate signal.
Trigger Setup
Displays the Trigger Setup menu.
Use this menu to set the conditions for the gate signal trigger.
Trigger Level
Sets the trigger threshold level. This applies only to the video and
IF triggers.
Source
Sets the sweep mode.
FREE RUN:
Performs sweeps automatically.
LINE:
Sweeps are synchronized with the AC power supply.
VIDEO: Sweeps are synchronized with the video signal.
EXT:
Sweeps are synchronized with the external triggers
signal.
IF:
Sweeps are synchronized with the IF signal.
Slope
Switches between positive (+) and negative (-) polarities.
This applies to the video trigger, external trigger or IF trigger
only.
+:
Triggers the sweep circuitry to start sweeping with a
leading edge.
-:
Triggers the sweep circuitry to start sweeping with a
trailing edge.
Gate Src Trigger
Specifies the gate signal source. The EXT or IF signal is used as
the gate signal in Trigger Setup.
Allows you to set Gate Src Trigger only when the EXT or IF trig-
ger is selected in Trigger Setup.
Gate Src Ext Gate
Specifies the gate signal source. The signal, which is input to the
Gate In connector on the rear panel, is used as the gate signal.
Gate Position
Sets the position of the gate signal.
Gate Width
Sets the width of the gate signal.
